CN103367978B

CN103367978B - Electric connector assembly and plug connector

Info

Publication number: CN103367978B
Application number: CN201310105050.1A
Authority: CN
Inventors: 绿川和弥
Original assignee: Hirose Electric Co Ltd
Current assignee: Hirose Electric Co Ltd
Priority date: 2012-03-29
Filing date: 2013-03-28
Publication date: 2016-04-20
Anticipated expiration: 2033-03-28
Also published as: CN103367978A; CN105514687B; CN105514687A

Abstract

The invention provides electric connector assembly, plug connector and socket type connector.This electric connector assembly has socket type connector and the plug connector with its fitting connection, and the fitting portion of the housing of plug connector is the structure being difficult to damage.Plug connector (2) has the reinforcement part (60) of the end of the fitting portion be installed on terminal board column direction, this reinforcement part makes by carrying out bending to the metallic plate as parts, have: base portion (61), under the fitting portion posture downward of above-mentioned plug connector (2), covered the lower surface of the end of above-mentioned fitting portion by the plate face at a right angle relative to connector plugging direction; Side plate (63), covers the two sides of above-mentioned end by the plate face parallel with above-mentioned terminal board column direction and connector plugging direction both direction; And end plate, the end face of above-mentioned end is covered by the plate face at a right angle relative to above-mentioned terminal board column direction.

Description

Electric connector assembly and plug connector

Technical field

The present invention relates to and there is the socket type connector that is configured at circuit substrate and be configured at another circuit substrate and the electric connector assembly of the plug connector be fitting to connection with this socket type connector, form the plug connector of a side of this assembly and form the socket type connector of the opposing party of this assembly.

Background technology

Such as disclose this electric connector assembly at patent documentation 1.In this patent documentation 1, the housing of socket type connector is by from erecting towards the diapire on circuit substrate and being formed as the shape of being surrounded by the perisporium erected from this diapire along the prominent wall portion that terminal board column direction extends.Further, between this prominent wall portion and perisporium, upward the corner ring-type of opening space as receive plug connector fitting portion reception space and formed.On the other hand, the housing of above-mentioned plug connector utilize from the diapire towards another circuit substrate erect and the perisporium being formed as being suitable for the shape in the reception space of above-mentioned socket type connector to form fitting portion.The perisporium of this plug connector has: two sidewalls extended along terminal board column direction; And along the connector Width at a right angle relative to this terminal board column direction extension and by two end walls connected to each other for the end of above-mentioned two sidewalls.In addition, above-mentioned fitting portion is formed with the channel-shaped space surrounded by above-mentioned perisporium.

When connector is fitted together to, the fitting portion of plug connector is embedded in the reception space of socket type connector from top, and the prominent wall portion of socket type connector enters in the above-mentioned channel-shaped space that surrounded by the fitting portion of plug connector from below.

Such as disclose this electric connector assembly at patent documentation 2.In the connector assembly of this patent documentation 2, in socket type connector and plug connector, either party all possesses retaining element (part), this retaining element is for utilizing its connecting portion to fix towards the circuit substrate soldering of connector, and when the connectors are connected to each other, retaining element engages (locking) each other thus realizes preventing coming off of connector.Retaining element makes by processing metallic plate, utilizes housing to be held in the end positions of the orientation of the terminal of connector.

The retaining element of socket type connector has: by the end portion of the end support of housing; And to bend and by the side part of side wall support of the both sides near end wall from this end portion, when being fitted together to direction from connector and observing, overall in U-shaped.Be provided with outstanding upward in above-mentioned end portion and bend to inverted U-shaped hook-shaped engaging portion, above-mentioned side part is held in two inner surfaces of the sidewall of above-mentioned housing respectively by composition surface, be formed with the engaging portion of concavity.Relative to this, the retaining element of plug connector has the part of the plate member parallel with the end portion of the retaining element of above-mentioned socket type connector, the holding section charging into the overshooting shape of the engaging portion engaging in above-mentioned concavity at its two ends is arranged as thickness of slab direction cross-section end surfaces, further, be provided with and bend and the U-shaped sheet extended upward from the lower limb of the part of above-mentioned plate member, and be formed with other holding section of overshooting shape in its plate face.In addition, in patent documentation 2, about the part that each retaining element engages mutually, the title that the retaining element of socket type connector adopts " engaging portion " such, the title that the retaining element of plug connector adopts " holding section " such, is distinguished both thus.

There is following lock function: when the socket type connector that plug connector court has the patent documentation 2 of this retaining element is fitting to connection, in its chimeric process, the holding section of the overshooting shape of the retaining element of plug connector and other holding section of overshooting shape, the state of strain can be carried out respectively with part of the amount of interference of the engaging portion of the concavity of the retaining element with corresponding socket type connector and inverted U-shaped hook-shaped engaging portion, carry out being fitted together to until arrive assigned position, when the desired position has been reached, their strain is removed, it is locking mutually that corresponding holding section and engaging portion extract direction based on above-mentioned interference amount towards connector, thus stop extracting of connector.

Patent documentation 1: Japanese Unexamined Patent Publication 2004-241253

Patent documentation 2: Japanese Unexamined Patent Publication 2010-198996

For the connector assembly of patent documentation 1, the fitting portion of plug connector is sometimes subject to less desirable external force when connector plugging, under jogged state of connector.Such as, when making plug connector be fitted to socket type connector from top, if connector position skew each other, then the lower surface of the fitting portion of plug connector is connected to the upper surface of the perisporium of socket type connector, the upper surface of prominent wall portion thus may damage.

In addition, above-mentioned plug connector is formed as the posture tilted relative to socket type connector, plugs along with so-called jam.Result, the fitting portion of this plug connector is connected to the internal face of the perisporium in the reception space being formed with socket type connector by the side at a right angle relative to terminal board column direction or the end face at a right angle relative to connector Width, and above-mentioned side, end face are cut, or produce excessive stress at this fitting portion thus be destroyed, this fitting portion may damage.In addition, in above-mentioned fitting portion, especially end wall when there is the skew of above-mentioned position, jam, the both direction of terminal board column direction with connector Width abutting with above-mentioned internal face therefore is easy to damage.But in patent documentation 1, the end wall of the fitting portion of above-mentioned plug connector does not have the structure for resisting above-mentioned external force in addition, so cannot prevent the damage of this end wall and then housing.

In patent documentation 2, the lock function of the engaging portion that can obtain the retaining element being arranged at socket type connector in the two opposed positions, place of the sidewall of the position, end wall one place of the end as the housing on terminal board column direction and both sides in its vicinity and the holding section of the retaining element being arranged at plug connector.That is, about a retaining element, the direction at the end wall relative to housing, with in direction both direction relative to sidewall, can obtain lock function in three positions, place altogether.

But, in the retaining element of patent documentation 2, there is following problem: arrive regulation clamped position before, holding section, engaging portion engaging time elastic deformation amount less, thus engage not long ago strain time, engaging position be easy to damage.

First, in the retaining element of socket type connector, holding section as the overshooting shape of the retaining element of the plug connector of the other side is sticked in the engaging portion of the concavity being positioned at sidewall, but this holding section is formed as overshooting shape in the thickness of slab direction of sheet material by cross section, so be easy to damage the face near engaging portion before arriving above-mentioned engaging portion.And, even if the holding section of above-mentioned overshooting shape be subject to counter-force on the direction parallel with plate face also not strain the party's rigidity is upwards higher thus, so the face near the above-mentioned engaging portion that abuts of this engaging portion is badly damaged, result, causes the locking amount of engaging portion itself to reduce.

Next, the engaging portion being positioned at the end wall of housing of the retaining element of socket type connector side is arranged at by the central authorities of the end portion of the end support of housing, so engaging portion is positioned at the central authorities of this end portion of double cantilever beam shape, thus the movement (displacement) of the position caused by its strain is less.

In addition, above-mentioned engaging portion itself is because the short transverse extension along above-mentioned end portion is so be formed as shorter wrist body, and then its shape is turned back into inverted U-shaped so rigidity is higher by being close to, this engaging portion itself does not almost have elasticity.And, above-mentioned inverted U-shaped engaging portion is sticked in the face of the retaining element of plug connector by the leading edge portion of inverted U-shaped part, so reliably engage with above-mentioned holding section in order to this leading edge portion, this leading edge portion must make above-mentioned to abut mobile, is easy to make above-mentioned by the tapering area damage of leading edge portion before clamped position.And then, the holding section of the retaining element of plug connector is identical with the situation of the engaging portion of the retaining element of above-mentioned socket type connector, be formed at and extend shorter wrist body in the height direction, so the elastic deformation amount of this wrist body can not guarantee comparatively large, thus be difficult to avoid producing situation about damaging.

And then, in the retaining element involved by patent documentation 2, except its elastic deformation amount is little, abutted by thickness of slab direction cross section or tapering leading edge portion and be sticked in the plate face of retaining element, so above-mentioned plate face is easy to damage, as a result, cause due to wearing and tearing engaging surplus to reduce, thus there is the tendency of lock function reduction.

Summary of the invention

In light of this situation, problem is to provide electric connector assembly, plug connector and socket type connector in the present invention.The plug connector that this electric connector assembly has socket type connector and is fitting to connection with this socket type connector, the fitting portion of the housing of plug connector is the structure being difficult to damage.

< first invention >

Electric connector assembly involved in the present invention has: as the socket type connector of the other side's connector, and this socket type connector is configured on the installed surface of circuit substrate, and plug connector, this plug connector is configured on the installed surface of another circuit substrate, be fitting to connection with this socket type connector for connector plugging direction with the above-below direction at a right angle relative to this installed surface, above-mentioned socket type connector with parallel with the installed surface of foregoing circuit substrate direction for orientation, multiple the other side's terminal arrangement is held in Socket casing, and this Socket casing have upward opening to receive the reception space of above-mentioned plug connector, in above-mentioned plug connector, under jogged state of connector, the multiple terminals be connected with the other side's terminal being arranged at above-mentioned socket type connector, arrange along the direction identical with above-mentioned orientation and be held in plug body, and this plug body has the fitting portion be embedded in towards the reception space being formed at above-mentioned socket type connector.

The feature of above-mentioned electric connector assembly is, in the present invention, above-mentioned plug connector has the reinforcement part of the end of the above-mentioned fitting portion be installed in above-mentioned orientation, this reinforcement part makes by carrying out bending to the metallic plate as parts, have: base portion, under the fitting portion posture downward of above-mentioned plug connector, this base portion covers the lower surface of the end of above-mentioned fitting portion by the plate face at a right angle relative to connector plugging direction; Side plate, this side plate covers the two sides of above-mentioned end by the plate face parallel with above-mentioned orientation and connector plugging direction both direction; And end plate, this end plate covers the end face of above-mentioned end by the plate face at a right angle relative to above-mentioned orientation.

In the present invention, the reinforcement part being installed on the end of the fitting portion of plug connector covers the lower surface of the end of this fitting portion, two sides and end face, even if so each of this end abuts with the housing of socket type connector, this end is also difficult to damage.In addition, above-mentioned reinforcement part makes, so strengthen the intensity change of part itself greatly based on this curved shape by carrying out bending to the metallic plate as parts.As a result, prevent the effect of the damage of housing larger.

In the first invention, the at least one party of reinforcement part in side plate and end plate of plug connector has can along the engaging portion of thickness of slab direction elastic displacement, the at least one party of plug body in the side and end face of the end of fitting portion is formed with stair-stepping corresponding engaging portion, and the engaging portion of above-mentioned reinforcement part is engaged in the corresponding engaging portion of above-mentioned plug body on connector plugging direction.

Make the engaging portion of reinforcement part locking on connector plugging direction with the stair-stepping corresponding engaging portion of plug body, strengthen part thus and be difficult to come off from this plug body along connector plugging direction.In addition, be formed with engaging portion at reinforcement part like this, and be formed with corresponding engaging portion at plug body, the maximization of this plug body can be avoided thus.Specifically, such as, the retention groove of slit-shaped parallel for the two sides of the end wall with plug body is being formed at this end wall, and maintained portion the other side being locked part is pressed in the such mounting means of this retention groove, needs to form the wall portion of surrounding this retention groove with enough thickness.As a result, plug body is caused to maximize on the Width and long side direction of plug body.On the other hand, in the present invention, be formed and a part for the two sides of the end wall of plug body cut and the stair-stepping corresponding engaging portion obtained, so without the need to being formed with retention groove as above, plug body can not maximize on above-mentioned Width and long side direction.In addition, above-mentioned corresponding engaging portion is simple shape, so formation is also easy.

In the first invention, in the present invention, in plug connector, plug body has at the lower surface of the end of fitting portion the groove portion that the orientation along terminal extends, the base portion strengthening part has slit portion in the position corresponding with above-mentioned groove portion, this slit portion has the width identical with this groove portion and extends along above-mentioned orientation, in socket type connector, the end of Socket casing in above-mentioned orientation has projecting strip part, this projecting strip part is given prominence to upward from the bottom surface receiving space, there is the width identical with above-mentioned groove portion and slit portion and extend along above-mentioned orientation, under jogged state of connector, the slit portion of the through above-mentioned plug connector of projecting strip part of above-mentioned socket type connector, and can enter in above-mentioned groove portion.

Under jogged state of connector, the slit portion of the through plug connector of projecting strip part of socket type connector, and enter in groove portion, now, even if the external force such as to be vibrated under this jogged state of connector, the above-mentioned internal face in groove portion and the edge part of slit portion also can be utilized to move to limit above-mentioned projecting strip part along connector Width.As a result, can prevent connector from offseting on connector Width each other.The edge part of especially above-mentioned slit portion is that namely metal parts strengthen a part for part and intensity is higher, and thus, the effect of restriction improves.

< second invention >

Plug connector involved in the present invention is configured on the installed surface of circuit substrate, with the above-below direction at a right angle relative to this installed surface for connector plugging direction, and be fitting to connection from top and the socket type connector as the other side's connector be configured at the installed surface of another circuit substrate, under jogged state of connector, the multiple terminals connected with the other side's terminal being arranged at above-mentioned socket type connector to arrange for orientation with parallel with the installed surface of foregoing circuit substrate direction and are held in plug body, and this plug body has fitting portion, this fitting portion is embedded into the reception space formed at above-mentioned socket type connector from top.

The feature of plug connector is, in the present invention, above-mentioned plug connector has the reinforcement part of the end of the above-mentioned fitting portion be installed in above-mentioned orientation, this reinforcement part makes by carrying out bending to the metallic plate as parts, have: base portion, under the fitting portion posture downward of above-mentioned plug connector, this base portion covers the lower surface of the end of above-mentioned fitting portion by the plate face at a right angle relative to connector plugging direction; Side plate, this side plate covers the two sides of above-mentioned end by the plate face parallel with above-mentioned orientation and connector plugging direction both direction; And end plate, this end plate covers the end face of above-mentioned end by the plate face at a right angle relative to above-mentioned orientation.

As mentioned above, according to the present invention, to cover the lower surface of this end, the mode of two sides and end face will strengthen part and be installed on the end of the fitting portion of the housing of plug connector, so can prevent the damage of this fitting portion.In addition, this reinforcement part makes by carrying out bending to the metallic plate as parts, and the intensity strengthening part itself becomes large, so prevent the effect of the damage of housing larger.

< the 3rd invention >

Electric connector assembly involved by 3rd invention has: socket type connector, and this socket type connector is configured on the installed surface of circuit substrate; And plug connector, this plug connector is fitting to connection with this socket type connector for connector plugging direction with the direction at a right angle relative to this installed surface, socket type connector with parallel with above-mentioned installed surface direction for orientation, multiple terminal arrangement is held in housing, and maintain the locking part be locked and fastened with plug connector in this orientation in the end positions of housing, plug connector has: the other side's terminal: this other side's terminal is connected with the terminal of above-mentioned socket type connector under jogged state of connector; And the other side locks part, this other side locks the locking part that part is sticked in above-mentioned socket type connector.

The feature of above-mentioned electric connector assembly is, in the 3rd invention, the locking part of socket type connector and the other side of plug connector lock part and all make by processing metallic plate, the locking part of above-mentioned socket type connector has: base portion, when observing from connector plugging direction this base portion in approximate U-shaped shape and plate face extend along connector plugging direction; And locking arm, this locking arm extends from this base portion, and can bend along the direction at a right angle relative to plate face, above-mentioned base portion has: end wall side base portion, and this end wall side base portion is along the end wall of the housing extended on the connector Width at a right angle relative to above-mentioned orientation; And side wall side base portion, the sidewall of the housing that this side wall side base portion extends along the two ends from this end wall side base portion towards above-mentioned orientation, above-mentioned locking arm has: end wall side lock arm, and this end wall side lock arm extends from above-mentioned end wall side base portion; And side wall side locking arm, this side wall side locking arm extends from side wall side base portion, lock before part arrives regular latched position at the locking part of socket type connector and the other side of plug connector, above-mentioned end wall side lock arm and side wall side lock arm can lock part plate face sliding contact by respective plate face and above-mentioned the other side, and have to extract at connector in regular latched position and direction locks the sticking department or locked portion that part is locked to each other with the other side.

In the 3rd invention, lock before part arrives regular latched position at the locking part of socket type connector and the other side of plug connector, end wall side lock arm and opposed two side wall side lock arm locks part corresponding portion sliding contact by respective plate face and above-mentioned the other side.Therefore, with come by the thickness of slab direction cross section of existing locking part like this or leading edge portion compared with the situation of sliding contact, to be difficult to produce stress and to concentrate.As a result, the plate face of locking part becomes and is difficult to damage, and can not produce by the minimizing of the engaging surplus caused of wearing and tearing, thus can avoid the reduction of the power of being locked and fastened.

In the 3rd invention, the side wall side locking arm being arranged at the locking part of socket type connector extends from side wall side base portion towards the orientation of terminal, can along the elastic bending of connector Width.

Connector involved in the present invention requires miniaturization on connector plugging direction, but can in the orientation of terminal increased in size significantly, so extend along above-mentioned orientation by making side wall side lock arm, and compared with situation about extending along connector plugging direction, this side wall side locking arm can be increased.Therefore, the elastic displacement caused by the plate face sliding contact of the locking part with plug connector increases, the plate face abutting pressure each other of the locking part arrived before regulation latched position can be reduced thus, and the locking part locking amount each other after the elastic displacement releasing after connector is fitted together to end can be increased.As a result, the plate face of locking part becomes and is difficult to damage, and can make each other reliably locking of locking part.

In the 3rd invention, the other side being arranged at plug connector locks part and has the locking arm that the orientation along terminal extends, engaging portion is formed with by bending machining inside connector Width at least partially in this locking arm, this engaging portion is locking with the stair-stepping corresponding engaging portion of the housing of plug connector, reliably can prevent this other side from locking part thus and come off along connector plugging direction from the housing of this plug connector.

Like this, make the locking arm by locking part to the other side carry out bending machining and the engaging portion formed is locking with the stair-stepping corresponding engaging portion of the housing of plug connector, reliably can prevent the other side from locking part thus and come off from above-mentioned housing along this connector plugging direction.

< the 4th invention >

Socket type connector involved by 4th invention is configured on the installed surface of circuit substrate, plug connector has been fitting to connection for connector plugging direction with the direction at a right angle relative to this installed surface, with parallel with above-mentioned installed surface direction for orientation, multiple terminal arrangement is held in housing, and in this orientation, maintains the locking part be locked and fastened with plug connector in the end positions of housing.

The feature of above-mentioned socket type connector is, in the 4th invention, above-mentioned locking part makes by processing metallic plate, and this locking part has: base portion, when observing from connector plugging direction this base portion in approximate U-shaped shape and plate face extend along connector plugging direction; And locking arm, this locking arm extends from this base portion, and can bend along the direction at a right angle relative to plate face, above-mentioned base portion has: end wall side base portion, and this end wall side base portion is along the end wall of the housing extended on the connector Width at a right angle relative to above-mentioned orientation; And side wall side base portion, the sidewall of the housing that this side wall side base portion extends along the two ends from this end wall side base portion towards above-mentioned orientation and set, above-mentioned locking arm has: end wall side lock arm, and this end wall side lock arm is from above-mentioned end wall side base curve and extend along connector Width in the mode that plate face is parallel to each other with this end wall side base portion; And side wall side locking arm, this side wall side locking arm extends from side wall side base portion along sidewall towards above-mentioned orientation, lock before part arrives regular latched position at the locking part of socket type connector and the other side of plug connector, above-mentioned end wall side lock arm and side wall side lock arm can lock part plate face sliding contact by respective plate face and above-mentioned the other side, and have and lock part in latched position and the other side and extract sticking department or locked portion that direction is locked to each other at connector.

In the 4th invention, also the 3rd invention with above-mentioned is identical, lock before part arrives regular latched position at the locking part of socket type connector and the other side of plug connector, the end wall side lock arm of the locking part of socket type connector and two side wall side lock the plate face that arm can lock part by plate face and above-mentioned the other side and are in slidable contact with each other.Therefore, the plate face of locking part becomes and is difficult to damage, so can avoid the reduction of the power of being locked and fastened.In addition, identical with the 3rd invention, side wall side locking arm extends along above-mentioned orientation, so side wall side locking arm is formed longer, can be easy to elastic displacement.Therefore, the plate face of locking part becomes and is more difficult to damage, and can make each other reliably locking of locking part.

The present invention is described above, the locking part of socket type connector and plug connector is in the end of connector, with three positions, place altogether of opposed two side wall side, there is sticking department in end wall side, even if so connector is extracted obliquely, also advantage so relatively by force can be guaranteed, and before arriving regular latched position, the locking part of two connectors contacts with each other and sliding contact each other by plate face, so its face is difficult to damage, also disappeared by the reduction of the locking amount caused of wearing and tearing, thus regular latching force can be guaranteed.

Accompanying drawing explanation

Fig. 1 (A) and Fig. 1 (B) is the stereogram that the socket type connector of embodiments of the present invention and the entirety of plug connector are shown, Fig. 1 (A) represents to make the reception space posture upward of two connectors, and Fig. 1 (B) represents with the posture before two connectors are about to be fitted together to.

Fig. 2 is the stereogram of the socket type connector of Fig. 1 (A) and Fig. 1 (B), illustrate the other side lock Assembly of the parts before state.

Fig. 3 is the stereogram of the plug connector of Fig. 1 (A) and Fig. 1 (B), and the state before locking Assembly of the parts is shown.

Fig. 4 (A) and Fig. 4 (B) is the stereogram that the other side of the socket type connector that Fig. 2 is shown locks the locking part of the plug connector of part and Fig. 3, Fig. 4 (A) illustrate connector be fitted together to before state, Fig. 4 (B) illustrate connector be fitted together to after lock-out state.

Fig. 5 (A) and Fig. 5 (B) be illustrate connector be fitted together to before the other side of socket type connector of Fig. 4 (A) lock the figure of the locking part of part and plug connector, Fig. 5 (A) is the VA-VA cutaway view of Fig. 4 (A), and Fig. 5 (B) is the VB direction view of Fig. 4 (A).

Fig. 6 (A) and Fig. 6 (B) be illustrate connector be fitted together to after lock-out state under the other side of socket type connector of Fig. 4 (B) lock the figure of the locking part of part and plug connector, Fig. 6 (A) is the VIA-VIA cutaway view that Fig. 4 (B) is shown, Fig. 6 (B) is the VIB direction view of Fig. 4 (B).

Fig. 7 is the cutaway view of the position of the end of socket type connector on terminal board column direction and plug connector, Fig. 7 (A) illustrate connector be fitted together to before state under cross section, Fig. 7 (B) illustrates the cross section under jogged state of connector.

Embodiment

Below, based on accompanying drawing, embodiments of the present invention are described.

Fig. 1 (A) and Fig. 1 (B) is the stereogram that the socket type connector of present embodiment and the entirety of plug connector are shown, Fig. 1 (A) represents to make the reception space posture upward of two connectors, and Fig. 1 (B) represents with the posture before two connectors are about to be fitted together to.Fig. 2 is the stereogram of the socket type connector of Fig. 1 (A) and Fig. 1 (B), and the state before locking Assembly of the parts is shown.In this Fig. 2, so that Fig. 1 (A), mode that the socket type connector of Fig. 1 (B) reverses up and down are represented.Fig. 3 is the stereogram of the plug connector of Fig. 1, and the state before locking Assembly of the parts is shown.

The socket type connector 1 of present embodiment and plug connector 2 are be configured at the circuit board use connector on the installed surface of different circuit substrates (not shown) respectively, the connector assembly that to form with the direction (above-below direction in Fig. 1 (A), Fig. 1 (B)) at a right angle relative to the face of each circuit substrate be plug orientation.

Before plug connector 2 is described, first, the other side's connector and socket type connector 1 are described.As shown in Fig. 1 (A), Fig. 1 (B), above-mentioned socket type connector 1 has: in the Socket casing 10 of approximate cuboid profile; With the long side direction of this Socket casing 10 for orientation is arranged the multiple terminals 20 (hereinafter referred to as " the other side's terminal 20 ") remaining two row by this Socket casing 10; And two lockings part 30 (hereinafter referred to as " the other side locks part 30 ") to be kept by the both ends of the above-mentioned Socket casing 10 on above-mentioned long side direction.This socket type connector 1 is installed on circuit substrate with the posture configuration shown in Fig. 1 (A), Fig. 1 (B).

Above-mentioned Socket casing 10 is made, with parallel with the installed surface of circuit substrate direction for long side direction (terminal board column direction) extends by electrical insulating materials such as such as resins.This Socket casing 10 has: the diapire 11 (Fig. 2 with reference to the mode that make the socket type connector of Fig. 1 up and down reverse represented) parallel with above-mentioned installed surface; Erect upward and the prominent wall portion 12 extended along terminal board column direction from this diapire 11; And to erect upward from above-mentioned diapire 11 and to surround the perisporium 13 of the frame-shaped of above-mentioned prominent wall portion 12.This perisporium 13 has: the pair of sidewalls 14 extended along above-mentioned terminal board column direction; And along the connector Width at a right angle relative to this terminal board column direction extension and by pair of end walls 15 connected to each other for the end of above-mentioned pair of sidewalls 14.Between above-mentioned prominent wall portion 12 and perisporium 13, the annulus of opening is formed as the reception space 16 for receiving the perisporium 43 as the fitting portion of plug connector 2 upward.

In above-mentioned Socket casing 10, for keeping the terminal retention groove 17 of the other side's terminal 20 to form two row relative to prominent wall portion 12 symmetry on connector Width, and be arranged at equal intervals formation on terminal board column direction.This terminal retention groove 17 is formed as along the side of prominent wall portion 12, the upper surface of diapire 11, the medial surface (face opposed with the side of prominent wall portion 12) of sidewall 14, the upper surface of this sidewall 14 and lateral surface extend continuously and cave in, and observing the groove portion in horizontal S shape from above-mentioned terminal board column direction.

Socket casing 10 keeps the other side to lock part 30 by the both ends 10A on terminal board column direction.In the present embodiment, the end 10A of Socket casing 10 refers to the part beyond the terminal arrangement scope that is positioned on above-mentioned terminal board column direction, that is, than terminal retention groove 17 part being in the outer part positioned at above-mentioned terminal board column direction two ends.In addition, in the present embodiment, the space that the end wall 15 being positioned at part beyond above-mentioned terminal arrangement scope, being in other words configured the end 10A of Socket casing 10 received in space 16 and two sidewalls 14 surround is called " end space 16A ".

In addition, the middle position of Socket casing 10 on connector Width has projecting strip part 18, wherein, this projecting strip part 18 and the end of the above-mentioned prominent wall portion 12 on terminal board column direction links and with from diapire 11 to give prominence to upward towards the mode of above-mentioned end space 16A, and along above-mentioned terminal board column direction extension.This projecting strip part 18 be formed as than prominent wall portion 12 and perisporium 13 low.This projecting strip part 18 has following function: enter under jogged state of connector in the end slot portion 45B of plug connector 2 described later, thus on connector Width, guide this plug connector 2 (also can refer to Fig. 7 (A), Fig. 7 (B)).

Above-mentioned Socket casing 10 is formed as receiving and keeps the other side to lock the mode of part 30, but in order to understand which, before being described further Socket casing 10, first, locking part 30 be described above-mentioned the other side.

The other side locks part 30 and makes by carrying out bending machining along thickness of slab direction after the shape by metallic plate stamping-out being regulation.As shown in Fig. 4 (A), the other side locks part 30 and has two base portions, 31, two maintained portions, 32, two end wall side lock arms 33 and two side wall side locking arms 34 respectively, wherein, above-mentioned base portion 31 when observing from above-below direction is approximate U-shaped and plate face extends along the vertical direction, and above-mentioned maintained portion 32 extends from base portion 31.

Above-mentioned base portion 31 has: the end wall side base portion 31A extended along connector Width (being left and right directions in Fig. 4 (A)); And from the two ends of this end wall side base portion 31A along the side wall side base portion 31B that terminal board column direction (being left tiltedly lower direction among Fig. 4 (A)) extends.Above-mentioned maintained portion 32 has: the fixed part 32A also extended to lateral bend outside connector Width at the lower limb of above-mentioned side wall side base portion 31B; And with this fixed part 32A continuously and bend upward and extend to the press-in arm 32B of the position roughly the same with the top edge of side wall side base portion 31B.

Fixation portions 32A is the part in the corresponding portion being fixed on circuit substrate by soldering, and having combines with the connecting portion 22 of the other side's terminal 20 to be fixed on function on circuit substrate by socket type connector 1.The hole portion 32C through along thickness of slab direction is formed at this fixed part 32A and the linking portion (sweep) of press-in arm 32B, when fixing fixation portions 32A by soldering, the scolding tin of melting is by this hole portion 32C landfill, more firm relative to fixing of circuit substrate thus.Above-mentioned press-in arm 32B is formed from the outstanding press-in teat 32B-1 of the edges at two ends extended along the vertical direction.When above-mentioned press-in arm 32B is pressed into the part retention groove 14A of Socket casing 10, this press-in teat 32B-1 is embedded into the internal face of above-mentioned part retention groove 14A, thus makes its fixation.

Above-mentioned end wall side lock arm 33 to be formed as from the lower limb of end wall side base portion 31A inside terminal arrangement scope (the oblique downside, a left side Fig. 4 (A)) and to turn back and extend to the band shape of the position roughly the same with the top edge of end wall side base portion 31A upward, can along its thickness of slab direction, the in other words elastic bending of terminal board column direction.This end wall side lock arm 33 in the part being formed with plate face near the position of its upper end to above-mentioned terminal board row scope side in the approximate hemispherical outstanding and end wall side lock teat 33A (also can refer to Fig. 5 (A)) that obtains.As described later, this end wall side lock teat 33A can be locked recess 62A locking (with reference to Fig. 6 (A)) with the end wall side of the locking part 60 of plug connector 2.Above-mentioned end wall side lock teat 33A is such as formed by the punch process on thickness of slab direction.

Above-mentioned side wall side locking arm 34 extends inside terminal arrangement scope from above-mentioned side wall side base portion 31B, and tilts a little inside connector Width, can along its thickness of slab direction, the in other words elastic bending of connector Width.This side wall side locking arm 34 is outstanding and side wall side that is that obtain locks teat 34A inside connector Width in the part being formed with plate face near the position of upper end.This side wall side locking teat 34A is formed as the ridge extended along terminal board column direction, and as described later, this side wall side locking teat 34A can be locked recess 63A locking with the side wall side of the locking part 60 of plug connector 2.In addition, the upper surface of this side wall side locking teat 34A is formed as along with the inclined plane tilted inside connector Width downward, when above-mentioned locking part 60 is connected to this inclined plane from top, above-mentioned side wall side locking arm 34 to be subject to comprising towards the power of the component outside connector Width elastic displacement in the same direction.34A is identical with above-mentioned end wall side lock teat 33A for this side wall side locking teat, such as, formed by the punch process on thickness of slab direction.

Return the explanation of Socket casing 10.As shown in Figure 2, the end 10A of this Socket casing 10 is formed for being pressed into the part retention groove 14A keeping the other side to lock the press-in arm 32B of part 30 in the mode of (in Fig. 1 (A), Fig. 1 (B) for below) opening upward at two sidewalls 14.In addition, as shown in Figure 2, be formed and lock the base portion 31 of part 30 and the accommodating groove portion 10B of side wall side locking arm 34 for receiving the other side forming the sidewall 14 of above-mentioned end 10A and end wall 15.This accommodating groove portion 10B in approximate U-shaped and upward opening is observed from the top of Fig. 2 (being below among Fig. 1 (A), Fig. 1 (B)).In addition, the part of the sidewall 14 along above-mentioned end 10A of this accommodating groove portion 10B is to end space 16A opening.Therefore, as shown in Fig. 1 (A), Fig. 1 (B), under the other side locks the state that part 30 is assemblied in Socket casing 10, the other side locks the side wall side base portion 31B of part 30 and side wall side locking arm 34 exposes to end space 16A.

In addition, as shown in Figure 2, for the end 10A of above-mentioned Socket casing 10, the reception hole portion 15A of two end wall side lock arms 33 of part 30 is locked, upward (in Fig. 1 (A), Fig. 1 (B) for below) opening and be formed at end wall 15 along the arrangement of connector Width for receiving the other side respectively.Two this reception hole portion 15A with the mode set of being surrounded by the above-mentioned accommodating groove portion 10B of top view in approximate U-shaped from Fig. 2, and to above-mentioned end space 16A opening.Therefore, as shown in Fig. 1 (A), Fig. 1 (B), under the other side locks the state that part 30 is assemblied in Socket casing 10, this end wall side lock arm 33 exposes to end space 16A.

As shown in Figure 1, the upper surface of the end 10A of above-mentioned Socket casing 10 inner edge portion, namely along the edge part that end space 16A extends in approximate U-shaped, be formed with the guide surface 10C along with tilting downward towards this end space 16A side.When connector is fitted together to, guided by the end wall 45 of plug connector 2 described later by this guide surface 10C in end space 16A, the perisporium 43 of this plug connector 2 is also directed in the reception space 16 of socket type connector 1 thus.

The other side's terminal 20 makes by carrying out stamping-out to this metallic plate under the state of tabular surface maintaining metallic plate, arranges in the mode that plate face is at a right angle relative to terminal board column direction.For this other side's terminal 20, observe overall in horizontal S shape from terminal board column direction (thickness of slab direction), the corresponding contact site 21 contacted with the terminal 50 of plug connector 2 is formed at end side, and the connecting portion 22 be connected with the corresponding circuits portion soldering of circuit substrate is formed at another side.For this other side's terminal 20, when observing from terminal board column direction, the maintained portion 23 in reverse U shape shape, to cross over the mode of the sidewall 14 of Socket casing 10, is pressed into from top in terminal retention groove 17 and installs.Be formed for the locking teat 23A locking with the terminal 50 of plug connector 2 in the mode of giving prominence to towards above-mentioned corresponding contact site 21 side in this maintained portion 23.

As shown in Fig. 1 (A), Fig. 1 (B), under the state that above-mentioned the other side's terminal 20 is kept by above-mentioned terminal retention groove 17, the corresponding contact site 21 of this other side's terminal 20 is given prominence to from the side of prominent wall portion 12 towards reception space 16, and above-mentioned locking teat 23A is outstanding to reception space 16 from the medial surface of sidewall 14.In addition, the connecting portion 22 of above-mentioned the other side's terminal 20 extends from this Socket casing 10 with the height roughly the same with the bottom surface of Socket casing 10 outside connector Width.

As shown in Figure 2, it is mounted from diapire 11 side (being top in fig. 2) of above-mentioned Socket casing 10 that above-mentioned the other side locks part 30.Specifically, this other side locks the base portion 31 of part 30 and side wall side locking arm 34, press-in arm 32B, end wall side lock arm 33 be accommodated in the accommodating groove portion 10B of Socket casing 10, in part retention groove 14A, in reception hole portion 15A respectively.As a result, the press-in teat 32B-1 of above-mentioned press-in arm 32B is embedded into the internal face of above-mentioned part retention groove 14A, and above-mentioned the other side locks part 30 press-in and is held in above-mentioned Socket casing 10 thus.

Next, be mainly described based on Fig. 1 (A), Fig. 1 (B) and the structure of Fig. 3 to plug connector 2.Plug connector 2 has: plug body 40, and it is in approximate cuboid profile; Multiple terminal 50, its with the long side direction of this plug body 40 for orientation and by this plug body 40 arrange remain two row; And two locking parts 60, it is kept by the both ends (end wall 45 described later) of the above-mentioned plug body 40 on above-mentioned long side direction.As described later, this locking part 60 also has the function as the reinforcement part for strengthening above-mentioned plug body 40.This plug connector 2, is installed on circuit substrate with the posture configuration shown in Fig. 1 (A), is fitting to connection using the posture of reversing up and down as shown in Fig. 1 (B) and the socket type connector 1 as the other side's connector.

Above-mentioned plug body 40 is made, with parallel with the installed surface of circuit substrate direction for long side direction (terminal board column direction) extends by electrical insulating materials such as such as resins.This plug body 40 has: the diapire 41 (with reference to Fig. 1 (B)) parallel with above-mentioned installed surface; And as Fig. 1 (A) and the perisporium 43 as fitting portion of frame-shaped that erects upward from this diapire 41 as shown in Figure 3.This perisporium 43 has: pair of sidewalls 44, and it extends along above-mentioned terminal board column direction; And pair of end walls 45, it is along the connector Width at a right angle relative to this terminal board column direction extension and by connected to each other for the end of above-mentioned pair of sidewalls 44.To be surrounded by this perisporium 43 and the space of opening is formed as the reception space 46 of the prominent wall portion 12 for receiver socket formula connector 1 upward.

Above-mentioned plug body 40 is formed as the mode keeping locking part 60, but in order to understand its mode, before being described further plug body 40, first, is described above-mentioned locking part 60.

Mainly based on Fig. 4 (A), the structure of the locking part 60 kept by above-mentioned plug body 40 is described.In this Fig. 4 (A), locking part 60 is to represent with direction identical in the vertical direction with the locking part 60 of Fig. 1 (B), and Fig. 1 (A) represents in the mode of reversing in the vertical direction with the locking part 60 of Fig. 3.Locking part 60 makes by carrying out bending machining along thickness of slab direction after metallic plate stamping-out is become the shape of regulation.This locking part 60 has: base portion 61, and the lower surface (being upper surface in Fig. 1 (A), Fig. 3) of the end wall 45 of the plug body 40 in its coverage diagram 1 (B) covers; End wall side as side plate is locked portion 62, and it bends upward from this base portion 61 and covers the end face of above-mentioned end wall 45; And being locked portion 63 as the side wall side of end plate, it bends upward from this base portion 61 and covers the side of above-mentioned end wall 45.

Like this, in the present embodiment, be provided with above-mentioned locking part 60 at the end wall 45 of the perisporium 43 as fitting portion of plug connector 2, this locking part 60 covers the lower surface of above-mentioned end, two sides and end face.Therefore, even if each of this end wall 45 abuts with the Socket casing 10 of socket type connector 1, this end wall 45 is also difficult to damage.In addition, above-mentioned locking part 60 makes, so strengthen the intensity change of part itself greatly based on this curved shape by carrying out bending to the metallic plate as parts.As a result, prevent the effect of the damage of the plug body 40 of plug connector 2 larger.

The middle position of above-mentioned base portion 61 on connector Width (being left and right directions in Fig. 4 (A)) is formed with the slit portion 61A extended along terminal board column direction (being left tiltedly lower direction in Fig. 4 (A)).Under the state that locking part 60 is assemblied in plug body 40, this slit portion 61A is with mode set corresponding to the end slot portion 45B of the end wall 45 with plug body 40 described later (with reference to Fig. 1 (A) and Fig. 7 (A), Fig. 7 (B)).

As shown in Fig. 4 (A), above-mentioned end wall side is locked portion 62 in position corresponding to the end wall side lock arm 33 locking part 30 along connector Width and the other side of socket type connector 1, cut into semicircular shape by the top edge that this end wall side is locked portion 62, and the end wall side be formed with for the end wall side lock teat 33A with above-mentioned end wall side lock arm 33 is locking is locked recess 62A.

As shown in Fig. 4 (A), above-mentioned side wall side is locked the position of portion 63 in the lower side near base portion 61, by the edge part of (in Fig. 4 (A) be tiltedly left downside) inside cutting edge arrangement scope, and lock the locking side wall side of teat 34A with the mode extended along the terminal board column direction side wall side be formed with for locking part 30 with the other side of socket type connector 1 and be locked recess 63A.In addition, being locked above recess 63A in this side wall side, being formed with the locking arm 63B for being assembled towards plug body 40 by locking part 60 in the mode extended inside above-mentioned terminal board row scope.This locking arm 63B is by accepting bending machining towards slight curvature inside connector Width, and being formed can along the engaging portion of this connector Width elastic displacement.As described later, under jogged state of connector, the other side that above-mentioned side wall side is locked recess 63A receiver socket formula connector 1 locks the side wall side locking teat 34A of part 30, and is locked the lower limb of recess 63A and above-mentioned side wall side by this side wall side and locks teat 34A to extract direction (top) along connector locking.

Turn back to the explanation of Socket casing 10.As shown in Fig. 1 (A), Fig. 1 (B), the end wall 45 of this Socket casing 10 keeps locking part 60.As shown in Figure 3, this end wall 45 except bight, the amount of the thickness of slab of upper surface (in Fig. 1 (B) for lower surface), side (face at a right angle relative to connector Width) and end face (face at a right angle relative to terminal board column direction) this locking part 60 that caves in.In addition, the roughly Lower Half of the side of this end wall 45 caves in further, thus forms end difference, and this end difference plays function as installing the corresponding engaging portion 45A of above-mentioned locking part 60 towards plug body 40.As shown in Figure 3, at the upper surface of end wall 45, the middle position on connector Width is formed with the end slot portion 45B as groove portion extended along terminal board column direction.As described later, the projecting strip part 18 (with reference to Fig. 7 (A), Fig. 7 (B)) of this end slot portion 45B Socket casing 10 of receiver socket formula connector 1 under jogged state of connector.

Terminal 50 is bent along thick direction by the banded sheet obtained carrying out stamping-out to metallic plate and makes.This terminal 50 is shaping and be held in each sidewall 44 of plug body 40 by integral mould, and the long side direction of this sidewall 44 is arranged at equal intervals.This terminal 50 has: the connecting portion 51 of straight shape, and it extends from sidewall 44 at the height and position that the diapire 41 with Socket casing 10 is roughly the same outside connector Width; And reverse U-shaped section divides, itself and this connecting portion 51 continuously and towards Fig. 1 (A), the top (below in Fig. 1 (B)) in Fig. 3 bends, and buries in inverted U-shaped turning back and is held in above-mentioned sidewall 44.This reverse U-shaped section divides and extends along above-mentioned sidewall 44, is formed expose with the mode of this sidewall 44 the same face with inverted U-shaped plate face.

The foot of the side of in the Liang Ge foot of the inverted U-shaped part of above-mentioned terminal 50, to be positioned at sidewall 44 medial surface side, is formed as the contact site 52 for contacting with the other side's terminal 20 of socket type connector 1.At this contact site 52, be formed with the contact recess 52A of the corresponding contact site 21 of the prominent shape for receiving above-mentioned the other side's terminal 20 in the mode caved in from plate face.In addition, the foot being positioned at the opposite side of the lateral surface side of sidewall 44 is formed as the locking locked portion 53 of the locking teat 23A with above-mentioned the other side's terminal 20.The locked recess 53A for receiving above-mentioned locking teat 23A is formed with in the mode caved in from plate face in this locked portion 53.

Assemble locking part 60 to the plug body 40 towards plug connector 2 to be described.As shown in Figure 3, this locking part 60 is assembled from the side (being top in figure 3) of reception space 46 opening of plug body 40 in the mode of the end wall 45 covering this plug body 40.As a result, the locked part 60 of the upper surface of the above-mentioned end wall 45 in Fig. 3, two sides (face at a right angle relative to connector Width) and end face (face at a right angle relative to terminal board column direction) covers.Therefore, this end wall 45 is strengthened by locking part 60, even if this end wall 45 is subject to unexpected external force be also difficult to distortion.

In the assembling process of locking part 60, first, the side of the end wall 45 of above-mentioned plug body 40 is connected to respectively by plate face, (direction separated from one another) elastic displacement outside connector Width as two locking arm 63B of engaging portion of locking part 60.Further, when this locking arm 63B crosses stair-stepping corresponding engaging portion 45A and arrives the lower position of this corresponding engaging portion 45A, this locking arm 63B is from elastic displacement recovering state.As a result, this locking arm 63B is locking with above-mentioned corresponding engaging portion 45A, thus can prevent locking part 60 from coming off (also can refer to Fig. 7 (A), Fig. 7 (B)) from plug body 40 along the vertical direction.

In the present embodiment, locking arm 63B entirety is formed as engaging portion, but also can be alternative in this, and only a part of locking arm 63B is formed as engaging portion by accepting flexural deformation processing.In addition, in the present embodiment, locking arm and locked recess are arranged at the side wall side of housing, also can be alternative in this and be arranged at end wall side.

In addition, in the present embodiment, the locking arm 63B of locking part 60 is locking with the stair-stepping corresponding engaging portion 45A of plug body 40, so can realize the miniaturization on the Width of this plug body 40.Specifically, such as, the retention groove of slit-shaped parallel for the two sides of the end wall with housing is being formed at this end wall, the maintained portion of locking part is pressed in the such mounting means of this retention groove, need to be formed with enough thickness to surround the wall portion of this retention groove, so cause maximizing at the Width of housing and long side direction upper shell.On the other hand, in the present embodiment, as long as will be used for making the locking corresponding engaging portion 45A of the locking arm 63B of locking part 60 to be formed as stepped, so plug body 40 can not maximize on above-mentioned Width and long side direction simply by a part for the two sides of the end wall 45 of cutting plug body 40.In addition, above-mentioned corresponding engaging portion 45A, because be simple shape, is also easier to so formed.

Next, also based on Fig. 1 (B), Fig. 4 (A), Fig. 4 (B), Fig. 5 (A), Fig. 5 (B), Fig. 6 (A), Fig. 6 (B), Fig. 7 (A), Fig. 7 (B) are described connector chimeric action each other.Fig. 5 (A) and Fig. 5 (B) be illustrate connector be fitted together to before the other side of socket type connector 1 of Fig. 4 lock the figure of the locking part 60 of part 30 and plug connector 2, Fig. 5 (A) is the VA-VA cutaway view of Fig. 4 (A), and Fig. 5 (B) is the VB direction view of Fig. 4 (A).Fig. 6 (A) and Fig. 6 (B) be only illustrate connector be fitted together to after lock-out state under the other side of socket type connector 1 of Fig. 4 lock the figure of the locking part 60 of part 30 and plug connector 2, Fig. 6 (A) is the VIA-VIA cutaway view of Fig. 4 (B), and Fig. 6 (B) is the VIB direction view of Fig. 4 (B).Fig. 7 (A) and Fig. 7 (B) is the cutaway view at a right angle relative to this terminal board column direction of the position of the end of socket type connector on terminal board column direction and plug connector, Fig. 7 (A) illustrate connector be fitted together to before state under cross section, Fig. 7 (B) illustrates the cross section under jogged state of connector.

First, socket type connector 1 and plug connector 2 are connected and installed in corresponding circuit substrate respectively by soldering.Next, as shown in Fig. 1 (B), socket type connector 1 is formed as receive space 16 posture upward, and above this socket type connector 1, the reception space 46 of plug connector 2 is formed as posture downward.Now, as Fig. 4 (A), shown in Fig. 5 (A), Fig. 5 (B) and Fig. 7 (A), for locking part each other, the end wall side of locking part 60 is locked recess 62A and side wall side and is locked recess 63A and locks with the other side above the end wall side lock teat 33A of part 30 and side wall side lock that teat 34A is corresponding and be positioned at respectively.In addition, as shown in Fig. 7 (A), the end slot portion 45B of plug connector 2 and slit portion 61A is corresponding with the projecting strip part 18 of socket type connector 1 is positioned at top.

Next, under the state of posture maintaining Fig. 1 (B), plug connector 2 is moved downward, the prominent wall portion 12 of socket type connector 1 is entered in the reception space 46 of plug connector 2 from below, and the perisporium 43 of plug connector 2 is entered in the reception space 16 of socket type connector 1 from top.Result, with in locked recess 53A in the contact recess 52A that corresponding contact site 21 and the locking teat 23A of the other side's terminal 20 of socket type connector 1 enter into the terminal 50 of plug connector 2 respectively, form terminal electrical contact each other thus and extract the locking of direction (top) towards connector.

In addition, as shown in Fig. 7 (B), the slit portion 61A of the projecting strip part 18 of the Socket casing 10 of the socket type connector 1 locking part 60 of through plug connector 2 from below, enters in the end slot portion 45B of plug body 40.Result, even if the external force such as to be vibrated under jogged state of connector, also the internal face of above-mentioned end slot portion 45B and the edge part of above-mentioned slit portion 61A can be utilized to move along connector Width (left and right directions in Fig. 7 (B)) to limit above-mentioned projecting strip part 18, thus can prevent the connector on this Width from offseting each other.The edge part of especially above-mentioned slit 61A is that namely metal parts lock a part for part 60 and intensity is higher, so restriction effect improves.

In addition, be fitted together in process at connector, the end wall side of locking part 60 is locked portion 62 makes the other side lock the end wall side lock arm 33 of part 30 (base portion 31A side, end wall side) elastic displacement outside terminal board column direction, and is locked the plate face in portion 62 and the end wall side lock teat 33A sliding contact of above-mentioned end wall side lock arm 33 by this end wall side.And, as shown in Fig. 4 (B) and Fig. 6 (A), (B), the end wall side being locked portion 62 when above-mentioned end wall side is locked the position that recess 62A arrives above-mentioned end wall side lock teat 33A, when locking part is directed to regular latched position each other, above-mentioned end wall side lock arm 33 turns back to free state, and above-mentioned end wall side lock teat 33A protrudes into above-mentioned end wall side and is locked in recess 62A.As a result, to be locked recess 62A locking mutually above-mentioned end wall side lock teat 33A and above-mentioned end wall side.

On the other hand, the side wall side of locking part 60 is locked portion 63 makes the other side lock the side wall side locking arm 34 of part 30 towards the displacement of connector Width outer elastic, and is locked by above-mentioned side wall side the side wall side that the plate face in portion 63 and above-mentioned side wall side lock arm 34 and locks teat 34A sliding contact.And, as Fig. 4 (B), shown in Fig. 6 (A), Fig. 6 (B) and Fig. 7 (B), the side wall side being locked portion 63 when above-mentioned side wall side is locked the position that recess 63A arrives above-mentioned side wall side locking teat 34A, when locking part is directed to regular latched position each other, above-mentioned side wall side locking arm 34 turns back to free state, and above-mentioned side wall side locking teat 34A protrudes into above-mentioned side wall side and is locked in recess 63A.As a result, to be locked recess 63A locking mutually for above-mentioned side wall side locking teat 34A and above-mentioned side wall side.

Like this, regular latched position is directed to each other, connector chimeric release each other by locking part.As a result, be locked recess 62A by above-mentioned end wall side lock teat 33A and above-mentioned end wall side locking, and above-mentioned side wall side locking teat 34A and above-mentioned side wall side to be locked recess 63A locking, connector accidental each other can be prevented.

In the present embodiment, before part arrives regular latched position each other in locking, the other side of socket type connector 1 locks the end wall side lock arm 33 of part 30 and side wall side locking arm 34, be locked portion 62 with the end wall side of locking part 60 and side wall side is locked portion 63 each other by the sliding contact of plate face.Therefore, with existing like this by lock compared with the thickness of slab direction cross section of part or the situation of edge part sliding contact, be difficult to produce stress concentrated.As a result, the respective plate face locking part 30 and locking part 60 due to the other side is difficult to damage, so can not produce by the minimizing of the engaging surplus caused of wearing and tearing, can avoid the reduction of the power of being locked and fastened.

In addition, above-mentioned the other side locks part 30 with above-mentioned locking part 60 in the end of each connector, altogether has sticking department in three positions, place in end wall side and opposite each other two side wall side.Therefore, under jogged state of connector, even if plug connector 2 tilts towards any direction in terminal board column direction and connector Width, also stronger latching force can be guaranteed relative to this, so connector accidental each other can be prevented.

In the present embodiment, the side wall side locking arm 34 that the other side locks part 30 extends along terminal board column direction, so compared with the situation that (connector plugging direction) extends along the vertical direction, can increase this side wall side locking arm 34.Therefore, the elastic displacement that the sliding contact that the side wall side locking arm 34 and locking part 60 by this side wall side is locked the plate face in portion 63 produces increases, the plate face abutting pressure each other of the locking part arrived before regular latched position can be reduced thus, and can increase connector be fitted together to end after locking part locking amount each other.As a result, the respective plate face that the other side locks part 30 and locking part 60 is difficult to damage, and can make each other reliably locking of locking part.

In the present embodiment, the side wall side locking arm that the other side locks part extends from side wall side base portion towards terminal board column direction, but the bearing of trend of side wall side locking arm is not limited thereto, in the sizable situation of the height dimension of connector, such as, can extend from side wall side base portion towards connector plugging direction (above-below direction).

In the present embodiment, the end wall side of the end wall side lock arm and locking part that the other side are locked part is locked recess and is respectively arranged with two, but also can be alternative in this and only be provided with one respectively, in addition, also can be respectively arranged with more than three.

In the present embodiment, the sticking department that part is formed with prominent shape is locked the other side of socket type connector, the locked portion of concavity is provided with at the locking part of plug connector, but also can be alternative in this, lock above-mentioned the other side the locked portion that part is provided with concavity, and be provided with the sticking department of prominent shape at above-mentioned locking part.In addition, in the present embodiment, locking that part is provided with the other side can the locking arm of elastic displacement, but also can be alternative in this and locking part is provided with locking arm, in addition, also can lock part the other side and be provided with locking arm.

Claims

1. an electric connector assembly, has: as the socket type connector of the other side's connector, and this socket type connector is configured on the installed surface of circuit substrate; And plug connector, this plug connector is configured on the installed surface of another circuit substrate, is fitting to connection for connector plugging direction with the above-below direction at a right angle relative to this installed surface with this socket type connector,

Above-mentioned socket type connector with parallel with the installed surface of foregoing circuit substrate direction for orientation, multiple the other side's terminal arrangement is held in Socket casing, and this Socket casing have upward opening to receive the reception space of above-mentioned plug connector

In above-mentioned plug connector, under jogged state of connector, the multiple terminals be connected with the other side's terminal being arranged at above-mentioned socket type connector, arrange along the direction identical with above-mentioned orientation and be held in plug body, and this plug body has the fitting portion be embedded in towards the reception space being formed at above-mentioned socket type connector

The feature of above-mentioned electric connector assembly is,

Above-mentioned plug connector has the reinforcement part of the end of the above-mentioned fitting portion be installed in above-mentioned orientation,

This reinforcement part makes by carrying out bending to the metallic plate as parts, have: base portion, under the fitting portion posture downward of above-mentioned plug connector, this base portion covers the lower surface of the end of above-mentioned fitting portion by the plate face at a right angle relative to connector plugging direction; Side plate, this side plate covers the two sides of above-mentioned end by the plate face parallel with above-mentioned orientation and connector plugging direction both direction; And end plate, this end plate covers the end face of above-mentioned end by the plate face at a right angle relative to above-mentioned orientation,

The side plate of above-mentioned reinforcement part has the arm extended inside above-mentioned orientation, this arm at least forms engaging portion in a part, plug body is formed with corresponding engaging portion as end difference in the side of the end of fitting portion, and the engaging portion of above-mentioned reinforcement part is can engaging in the corresponding engaging portion of above-mentioned plug body on connector plugging direction under the installment state of plug body.

2. electric connector assembly according to claim 1, is characterized in that,

In plug connector, plug body has at the lower surface of the end of fitting portion the groove portion that the orientation along terminal extends, the base portion strengthening part has slit portion in the position corresponding with above-mentioned groove portion, and this slit portion has the width identical with this groove portion and extends along above-mentioned orientation

In socket type connector, the end of Socket casing in above-mentioned orientation has projecting strip part, and this projecting strip part is given prominence to upward from the bottom surface receiving space, has the width identical with above-mentioned groove portion and slit portion and extends along above-mentioned orientation,

Under jogged state of connector, the slit portion of the through above-mentioned plug connector of projecting strip part of above-mentioned socket type connector, and enter in above-mentioned groove portion.

3. a plug connector, be configured on the installed surface of circuit substrate, with the above-below direction at a right angle relative to this installed surface for connector plugging direction, and be fitting to connection from top and the socket type connector as the other side's connector be configured at the installed surface of another circuit substrate

Under jogged state of connector, the multiple terminals connected with the other side's terminal being arranged at above-mentioned socket type connector to arrange for orientation with parallel with the installed surface of foregoing circuit substrate direction and are held in plug body, and this plug body has fitting portion, this fitting portion is embedded into the reception space formed at above-mentioned socket type connector from top

The feature of above-mentioned plug connector is,